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katie
  • Member for 9 years, 10 months
  • Last seen more than 7 years ago
  • Canada
8 votes
3 answers
1k views

which algebraic integers in a cyclotomic field give you integer absolute value?

8 votes
4 answers
1k views

The powers of non-empty subset of a group that generate a subgroup

5 votes
2 answers
272 views

Bound on the order of a finite group generated by elements $a$ and $b$ of order 2 and $n \geq 3$ such that the sum of the images of $a$, $b$ and $b^{-1}$ under any ordinary representation has only rational eigenvalues

3 votes
1 answer
670 views

When does a polynomial split over Q?

2 votes
2 answers
559 views

When does the absolute value of a sum of an integer and an algebraic integer equal an integer?

2 votes
1 answer
379 views

is there any bound on the absolute number of algebraic integer in terms of its degree?

1 vote
1 answer
676 views

Eigenvalues of Sum of non-singular matrix and diagonal matrix

0 votes
2 answers
177 views

power sums are enough for rationality? [closed]